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vekshin1
3 years ago
10

Michele correctly solved a quadratic equation using the quadratic formula as shown below.

Mathematics
1 answer:
ra1l [238]3 years ago
8 0
Whats the answers it doesn’t show for me
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Solve for x. 25 - 3x = -5(1 - x) - 2x
grandymaker [24]

Answer:

x = 5

Step-by-step explanation:

25 - 3x = -5(1 - x) - 2x

<u></u>

<u>We have to first get rid of the parenthesis:</u>

-5 * 1  ==>  -5

-5 * -x  ==>  5x

<u>So now you should have:</u>

25 - 3x = -5 + 5x - 2x

<u>Combine like terms:</u>

25 - 3x = -5 + 5x - 2x

25 - 3x = -5 + 3x

<u>Add 3x to both sides:</u>

25 - 3x  =  -5 + 3x

    + 3x  =      + 3x

<u>And you should have:</u>

25 = -5 + 6x

<u></u>

<u>Add 5 to both sides:</u>

25 = -5 + 6x

+5 = +5

30 = 6x

<u>Divide 6 to both sides:</u>

\frac{30}{6}     =      \frac{6x}{6}

5 = x

3 0
3 years ago
Read 2 more answers
You obtain a dataset from a random sample. • You double-checked your dataset, and there were no typos, and no errors. • All cond
Pepsi [2]

Answer:

Interval is given with 97% confidence. Thus there is 3% probability that interval is not true.

Step-by-step explanation:

In Statistics, estimated intervals are given with some confidence level. In this example person develop the interval with 97% confidence.

<em>Statistically</em>, this means that the person can be 97% sure (not 100%)  that population mean is 74.3 < µ < 78.3. There is still 3% probability that population mean falls outside of the interval.

Small sample size may also lead wrong estimates.

7 0
3 years ago
You roll a number cube twice. Find the probability of the events. Rolling an odd number 2 or a 4.
forsale [732]

Answer: see below

Step-by-step explanation:

If this is a 6 sided die then the only possible roll that isnt an odd, a 2, or a 4 is 6.

The probability of something happening is also the probability of something not happening. So in order to not roll an odd, a 2 or a 4 in two rolls, you have to roll a 6 twice.

P = 1 - (1/6)(1/6) = 1 - (1/36) = (35/36)

5 0
3 years ago
target sell 24 bottle of water for$3, and 36 bottle of water for $4. which is the batter buy and how much?
Ksenya-84 [330]
Probably the 36 for 4$, but it also depends on the fluid OZ's of the bottle.
5 0
4 years ago
Read 2 more answers
HELP DUE AT 9:00 PM!
alina1380 [7]
A is 5,6 that is the answer for A gotta go but maybe someone else can help with the other ones
4 0
3 years ago
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